- Nock, Oswald (1961). The Caledonian Railway (1st ed.). London: Ian Allan. OCLC 366646513.
- Nock, Oswald (1964). The Caledonian Railway (2nd ed.). London: Ian Allan. OCLC 21002535.
- Nock, Oswald (1973). The Caledonian Railway (3rd ed.). Shepperton: Ian Allan. ISBN 0-7110-0408-0. OCLC 16232981.